78037500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{2081}}^1$

素因数の和:2113

約数の個数: 72

約数和(自身を含む): 227704176

約数和(自身を除く): 149666676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2081, 2500, 3125, 3750, 4162, 6243, 6250, 7500, 8324, 9375, 10405, 12486, 12500, 18750, 20810, 24972, 31215, 37500, 41620, 52025, 62430, 104050, 124860, 156075, 208100, 260125, 312150, 520250, 624300, 780375, 1040500, 1300625, 1560750, 2601250, 3121500, 3901875, 5202500, 6503125, 7803750, 13006250, 15607500, 19509375, 26012500, 39018750, 78037500]

約数ペア:

[(1, 78037500), (2, 39018750), (3, 26012500), (4, 19509375), (5, 15607500), (6, 13006250), (10, 7803750), (12, 6503125), (15, 5202500), (20, 3901875), (25, 3121500), (30, 2601250), (50, 1560750), (60, 1300625), (75, 1040500), (100, 780375), (125, 624300), (150, 520250), (250, 312150), (300, 260125), (375, 208100), (500, 156075), (625, 124860), (750, 104050), (1250, 62430), (1500, 52025), (1875, 41620), (2081, 37500), (2500, 31215), (3125, 24972), (3750, 20810), (4162, 18750), (6243, 12500), (6250, 12486), (7500, 10405), (8324, 9375)]